One of these events ended after pictures of the Battle of the Overpass were published in newspapers. Walter Reuther led that one of these events and other people known for organizing these events include John L. Lewis. In 1981, Ronald Reagan fired a number of air traffic controllers to prevent one of these events, authority granted by the Taft-Hartley Act. Troops commanded by Nelson Miles were sent by Grover Cleveland to end one of these in the namesake Chicago suburb, and Alexander Berkman attempted to assassinate Henry Clay Frick during one. During that event, Pinkerton guards fired on employees of a company owned by Andrew Carnegie. For 10 points, identify this type of industrial action, 
One of these events ended after pictures of the Battle of the Overpass were published in newspapers. Walter Reuther led that one of these events and other people known for organizing these events include John L. Lewis. In 1981, Ronald Reagan fired a number of air traffic controllers to prevent one of these events, authority granted by the Taft-Hartley Act. Troops commanded by Nelson Miles were sent by Grover Cleveland to end one of these in the namesake Chicago suburb, and Alexander Berkman attempted to assassinate Henry Clay Frick during one. During that event, Pinkerton guards fired on employees of a company owned by Andrew Carnegie. For 10 points, identify this type of industrial action, examples of which include the Pullman and Homestead.
One of these events ended after pictures of the Battle of the Overpass were published in newspapers.
{strikes} (accept equivalents, accept {strikes} by {auto workers} (or equivalents) or {strikes} by {Ford employees} (or equivalents) until “{John L. Lewis}”)